DE2237675C3 - Verfahren zur Polymerisation und Copolymerisation von Episulfiden und Katalysator zur Durchführung - Google Patents

Verfahren zur Polymerisation und Copolymerisation von Episulfiden und Katalysator zur Durchführung

Info

Publication number
DE2237675C3
DE2237675C3 DE2237675A DE2237675A DE2237675C3 DE 2237675 C3 DE2237675 C3 DE 2237675C3 DE 2237675 A DE2237675 A DE 2237675A DE 2237675 A DE2237675 A DE 2237675A DE 2237675 C3 DE2237675 C3 DE 2237675C3
Authority
DE
Germany
Prior art keywords
groups
polymerization
formula
active hydrogen
mmol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2237675A
Other languages
German (de)
English (en)
Other versions
DE2237675A1 (de
DE2237675B2 (de
Inventor
Alessandro Dr. Mazzei
Antonio Dr. Proni
Arnoldo Dr. Roggero
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SnamProgetti SpA filed Critical SnamProgetti SpA
Publication of DE2237675A1 publication Critical patent/DE2237675A1/de
Publication of DE2237675B2 publication Critical patent/DE2237675B2/de
Application granted granted Critical
Publication of DE2237675C3 publication Critical patent/DE2237675C3/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/02Polythioethers
    • C08G75/06Polythioethers from cyclic thioethers
    • C08G75/08Polythioethers from cyclic thioethers from thiiranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE2237675A 1971-07-31 1972-07-31 Verfahren zur Polymerisation und Copolymerisation von Episulfiden und Katalysator zur Durchführung Expired DE2237675C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2701971 1971-07-31

Publications (3)

Publication Number Publication Date
DE2237675A1 DE2237675A1 (de) 1973-02-15
DE2237675B2 DE2237675B2 (de) 1974-02-28
DE2237675C3 true DE2237675C3 (de) 1974-10-03

Family

ID=11220780

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2237675A Expired DE2237675C3 (de) 1971-07-31 1972-07-31 Verfahren zur Polymerisation und Copolymerisation von Episulfiden und Katalysator zur Durchführung

Country Status (8)

Country Link
US (1) US3840503A (enExample)
BE (1) BE786805A (enExample)
CA (1) CA991619A (enExample)
DE (1) DE2237675C3 (enExample)
FR (1) FR2148027B1 (enExample)
GB (1) GB1389875A (enExample)
LU (1) LU65819A1 (enExample)
NL (2) NL151724B (enExample)

Also Published As

Publication number Publication date
US3840503A (en) 1974-10-08
NL7210410A (enExample) 1973-02-02
NL151724B (nl) 1976-12-15
GB1389875A (en) 1975-04-09
LU65819A1 (enExample) 1972-11-29
DE2237675A1 (de) 1973-02-15
BE786805A (fr) 1973-01-29
FR2148027B1 (enExample) 1974-12-27
FR2148027A1 (enExample) 1973-03-11
DE2237675B2 (de) 1974-02-28
NL7611867A (nl) 1977-02-28
CA991619A (en) 1976-06-22

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EGA New person/name/address of the applicant
EHJ Ceased/non-payment of the annual fee